package tests;

import java.util.Scanner;
import java.math.*;

public class test12{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        while(sc.hasNext()){
            BigDecimal n = sc.nextBigDecimal();
            BigDecimal r = sc.nextBigDecimal();
            BigDecimal l = new BigDecimal("6.28").multiply(r);
            if(n.compareTo(l)==1){
                System.out.println("No");
            }else{
                System.out.println("Yes");
            }
        }
        return;
    }
}